Abstract: Landslides composed of loose rock occur frequently in the Badong area of the Three Gorges Reservoir. After the usage of the Three Gorges Projects,a lot of unsaturated unconsolidated rocks and soil are in the saturated state as the water level rises,which leads to the decline in the stability of the rocks and soil. The basic types and characteristics of the unconsolidated rocks and soil distributed in the landslide district are analyzed in this paper and four different immersion environments are ...